Simultaneous nutrient and carbon removal and electricity generation in self-buffered biocathode microbial fuel cell for high-salinity mustard tuber wastewater treatment

Exploring community evolutionary characteristics of microbial populations with supplementation of Camellia green tea extracts in microbial fuel cells

“…In summary, it is noted that a Chinese saying “ every medicine has its side effect ” (yào jí shì dú). As this study and literature [1] , [2] , [3] , [4] , [5] , [6] , [7] , [8] , [9] indicated, evidently there were at least three crucial conditions to affect inhibition potency of GT to bacteria as follows: (1) temperature of extraction (e.g., room, higher temperature), (2) solvent of extraction (e.g., water, ethanol or methanol) and (3) concentration of extract (e.g., powder, concentrated solution). They all affected the role of GT to be either “medicine” (yào) or “poison” (dú).…”

“…Among myriads of bioresources of biomass energy, microbial fuel cells (MFCs) were effective electrochemical systems to convert chemical energy for bioelectricity generation via simultaneous waste biotreatment and product biosynthesis [5] , [6] , [7] . However, the relatively low capacity of bioelectricity generation still greatly limited its potentials for practical applications due to the low electron transfer efficiency [8] . To overcome this disadvantage, exogenous supplementation of redox mediators (RMs) was considered to effectively improve the electron transfer capability for augmenting power generation [ 9 , 10 ].…”

Bioelectrochemically assisted sustainable conversion of industrial organic wastewater and clean production of microalgal protein

“…Unlike the anode chamber, the cathode chamber promoted a faster COD removal in the early phase (in 2-4 days) due to the occurrence of multiple processes including microorganisms activities (Zhang et al, 2019) and carboxylic acids migration processes. Due to the continuous aeration in the cathode chamber, the activities of aerobic bacteria could be promoted for the removal of COD, e.g., aerobic accumulation of phosphorus by polyphosphate accumulating microorganisms, and aerobic respiration by aerobic bacteria (Zhang et al, 2019). As shown in Fig.…”

Electricity Generation, Salt and Nitrogen Removal and Microbial Community in Aircathode Microbial Desalination Cell for Saline-Alkaline Soil-Washing Water Treatment

“…Determination of water quality indicators: conventional water quality indicators such as chemical oxygen demand, ammonia nitrogen, nitrate nitrogen of water inlet and outlet of the cell are measured according to standard methods [30,31]. NaCl concentration and conductivity was monitored by using the multi-parameter water quality analyzer (HACH, HQ40D, Loveland, CO, USA).…”